package servle;

import com.jspsmart.upload.File;
import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspFactory;
import javax.servlet.jsp.PageContext;
import java.io.IOException;

@WebServlet(urlPatterns = "/uploadtest")
public class UpLoad extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        try {
            //创建上传对象
            SmartUpload smartUpload=new SmartUpload();
            //初始化上传操作
            PageContext pageContext = JspFactory.getDefaultFactory().getPageContext(this, req, resp, null, false, 1024, true);
            smartUpload.initialize(pageContext);
            smartUpload.setCharset("utf-8");
            //上传
            smartUpload.upload();
            //获取文件信息

            File file = smartUpload.getFiles().getFile(0);
            String fieldName = file.getFieldName();
            String contentType = file.getContentType();
            String name = smartUpload.getRequest().getParameter("name");
            System.out.println(name);
            //指定上传路径
            String path="uploadfiles/"+fieldName;
            file.saveAs(path,File.SAVEAS_VIRTUAL);
            //跳转成功页面
            req.setAttribute("filename",fieldName);
            req.getRequestDispatcher("success.jsp").forward(req,resp);
        } catch (SmartUploadException e) {
            e.printStackTrace();
        }

    }
}
